697214976 has 96 divisors (see below), whose sum is σ = 1909645920. Its totient is φ = 226050048.

The previous prime is 697214953. The next prime is 697214981. The reversal of 697214976 is 679412796.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×697214976² = 972217445517361152, which contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225795 + ... + 228861.

It is an arithmetic number, because the mean of its divisors is an integer number (19892145).

Almost surely, 2^697214976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 697214976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (954822960).

697214976 is an abundant number, since it is smaller than the sum of its proper divisors (1212430944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

697214976 is a wasteful number, since it uses less digits than its factorization.

697214976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3129 (or 3109 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 51.

The square root of 697214976 is about 26404.8286493209. The cubic root of 697214976 is about 886.7248966475.

The spelling of 697214976 in words is "six hundred ninety-seven million, two hundred fourteen thousand, nine hundred seventy-six".